110AMP Alternator For 2013-2017 Honda Accord 2.4L Auto CVT Trans

A 110-Amp Alternator for the Honda Accord

This is a new 110-amp alternator built for the 2013-2017 Honda Accord, both Sport and non-Sport trims, with the 2.4L four-cylinder engine and automatic CVT transmission, cross-referenced to OE numbers 31100-5A2A02 and A5TL0581. If your battery light is on, you're noticing dimming headlights or accessories at idle, or the battery keeps dying despite testing fine on its own, this alternator is a direct replacement for the factory unit.

Why Alternators Fail on High-Mileage Accords

An alternator is a spinning generator that runs continuously any time the engine is on, driven off the serpentine belt and carrying a full electrical load every time the car is driven, which means it accumulates wear every mile the vehicle covers rather than only during specific conditions. On a 2.4L Accord with the CVT, the internal brushes, bearings, and voltage regulator inside the alternator all wear gradually with mileage and heat cycling, which is why alternator failure becomes progressively more common as these cars pass the 100,000-mile mark. Because the alternator both charges the battery and powers the car's electronics while running, a failing unit often shows up first as electrical symptoms rather than an outright failure to start.

Key Features

• Cross-referenced to OE numbers 31100-5A2A02 and A5TL0581
• 110-amp output rated for the 2.4L Accord's electrical demands
• 7-groove clutch pulley matching factory design
• Fully tested before shipping for stable performance

Specifications

• Type: Alternator
• Voltage: 12V
• Amperage: 110A
• Rotation: Clockwise (CW)
• Pulley: 7-groove clutch pulley
• Regulator: Internal (IR)
• Fan: Internal (IF)
• Condition: New

Compatibility

Fits the 2013, 2014, 2015, 2016, and 2017 Honda Accord, both Sport and non-Sport trims, with the 2.4L four-cylinder engine and automatic CVT transmission. Because Honda offered the Accord with more than one engine and transmission combination during these years, it's worth confirming your specific Accord has the 2.4L engine with CVT before ordering, since a V6 or manual-transmission model uses a different alternator.

Signs Your Alternator Is Failing

A failing alternator on an Accord commonly shows up as the battery warning light coming on the dash, headlights or interior lights that dim noticeably at idle and brighten as engine RPM rises, accessories like power windows working sluggishly, or a battery that keeps losing charge even after being tested and confirmed good on its own. Because the alternator's output degrades gradually as internal components wear, some of these symptoms can come and go for a while before the alternator fails completely and leaves the vehicle unable to start or stay running.

Why Replace Rather Than Rebuild

While some alternators can be rebuilt with new brushes or bearings, a unit that's already showing electrical symptoms has often worn in multiple internal areas at once, which is why a complete new alternator is generally more reliable than a partial rebuild, especially on a vehicle that depends on stable voltage for its electronics. A direct-fit replacement means the pulley, connector, and mounting points all match the factory unit exactly, without the compatibility guesswork of sourcing individual internal components.

Installation Notes

Replacing an alternator on this Accord means disconnecting the battery, removing the serpentine belt, disconnecting the electrical connector and battery cable from the old alternator, and unbolting it from its mounting bracket before the new unit goes in in reverse order. Because the serpentine belt routing can be easy to forget once removed, taking a photo of the belt path before taking it off is a small step that saves time when it's ready to go back on.

Ordering Information

This Honda Accord alternator is in stock and ships ready to install. Our Shipping Information page covers current timelines, and our Warranty and Returns pages explain what to do if anything isn't right on arrival. Not sure this matches your specific Accord? Our Request a Part page is the fastest way to confirm before you order.

Related Parts

This alternator is listed in our Honda collection, along with our Electrical Parts and Alternators collections, where you'll find other parts for the Accord.